Nortel Company had the following data (in thousand dollars) for a given period.

Direct labor

$270

Fixed selling and administrative expenses

150

Variable manufacturing overhead

200

Direct materials

450

Sales

1,500

Operating income

100

Contribution margin

500

Compute the following:(20 pts.)

(1)Manufacturing cost of goods sold

(2)Gross profit

(3)Variable selling and administrative expenses

(4)Fixed manufacturing overhead costs

(5)Break-even point in $ sales